Iibheringi ezingekho mgangathweni: Iibheringi ezingekho mgangathweni ziibheringi ezingekho mgangathweni.Ngokuqhelekileyo, ziibheringi ezingahambelani nemilinganiselo yangaphandle echazwe kwimigangatho yesizwe, oko kukuthi, zonke iibheringi zazo zangaphandle zihluke kwimigangatho yesizwe.Iimpawu zayo eziphambili ziqhelekileyo eziphantsi, ngokukodwa kwizixhobo ezikhethekileyo kunye nezihlandlo ezikhethekileyo, iibhetshi ezincinci, kunye nemveliso yovavanyo lwe-akhawunti yophando olutsha kunye nezixhobo zophuhliso kuninzi;kodwa ngenxa yokuveliswa kwayo okungafaniyo kunye ne-batch, akukho mveliso yamashishini amaninzi kunye neendleko eziphezulu , Ixabiso libiza kakhulu.Iibheringi eziqhelekileyo: Ububanzi obungaphakathi okanye obungaphandle, ububanzi (ubude), kunye nemilinganiselo yeebheringi eziqhelekileyo zihambelana ne-GB / T273.1-2003, GB / T273.2-1998, GB / T273.3-1999 okanye eminye imigangatho efanelekileyo.Ubungakanani bemodeli.Iibheringi ezingezizo ezisemgangathweni zi-non-standard bearings ezingahambelani nobukhulu kunye nesakhiwo seebheringi eziqhelekileyo, oko kukuthi, iibheringi eziveliswa ngokweemfuno zabathengi.Non-standard ngaphakathi nangaphandle 49, umgangatho 50, yonke enye into efanayo.I-49 iyinto engekho-standard, kufuneka ulandele ubungakanani kunye nomlinganiselo wesakhiwo kwincwadi yomthengi, ngaphandle koko awukwazi ukuba i-49 ngumgangatho wesizwe okanye ongeyena umgangatho.Ezinye izakhiwo zahlukile.Ngokomzekelo, kukho iirola ezininzi zentsimbi.Okanye ngaphantsi.Oku kunqabile, ngokubanzi kunokuba ligama elipheleleyo jikelele ziibheringi ezingekho mgangathweni.